Home / 636,117.30-954,175.95-531,918.90

Finding the Fourth Proportional to 636,117.30, 954,175.95 and 531,918.90

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Solution

The fourth proportional to 636,117.30, 954,175.95 and 531,918.90 is: 797,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,117.30 : 954,175.95 = 531,918.90 : x
  2. Step 2: Convert to fraction form
    636,117.30/954,175.95 = 531,918.90/x
  3. Step 3: Cross multiply
    636,117.30x = 954,175.95 × 531,918.90
  4. Step 4: Simplify right side
    636,117.30x = 507,544,221,730.46
  5. Step 5: Solve for x
    x = 507,544,221,730.46/636,117.30
  6. Step 6: Final answer
    x = 797,878.35

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.